A triangle with side lengths 2, 4V6, and 10 is what type of triangle? a) OAcute b) ORight c) OThere is not enough information to determine the answer. d) OObtuse

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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### Triangle Classification Problem

A triangle with side lengths \(2\), \(4\sqrt{6}\), and \(10\) is what type of triangle?

**Options**:
a) Acute  
b) Right  
c) There is not enough information to determine the answer.  
d) Obtuse  

To solve this, we need to apply the triangle inequality theorem and Pythagorean theorem.

**Triangle Inequality Theorem**: 
The sum of the lengths of any two sides of a triangle must be greater than or equal to the length of the third side. Check:
- \(2 + 4\sqrt{6} > 10\)
- \(2 + 10 > 4\sqrt{6}\)
- \(4\sqrt{6} + 10 > 2\)

**Pythagorean Theorem for Right Triangles**: 
To determine if the triangle is right, check if \(a^2 + b^2 = c^2\), where \(c\) is the longest side.

**Comparisons for Acuteness or Obtuseness**:
- If \(a^2 + b^2 > c^2\), the triangle is acute.
- If \(a^2 + b^2 < c^2\), the triangle is obtuse.

You can verify these conditions to determine the correct type of triangle.
Transcribed Image Text:### Triangle Classification Problem A triangle with side lengths \(2\), \(4\sqrt{6}\), and \(10\) is what type of triangle? **Options**: a) Acute b) Right c) There is not enough information to determine the answer. d) Obtuse To solve this, we need to apply the triangle inequality theorem and Pythagorean theorem. **Triangle Inequality Theorem**: The sum of the lengths of any two sides of a triangle must be greater than or equal to the length of the third side. Check: - \(2 + 4\sqrt{6} > 10\) - \(2 + 10 > 4\sqrt{6}\) - \(4\sqrt{6} + 10 > 2\) **Pythagorean Theorem for Right Triangles**: To determine if the triangle is right, check if \(a^2 + b^2 = c^2\), where \(c\) is the longest side. **Comparisons for Acuteness or Obtuseness**: - If \(a^2 + b^2 > c^2\), the triangle is acute. - If \(a^2 + b^2 < c^2\), the triangle is obtuse. You can verify these conditions to determine the correct type of triangle.
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